205514280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 709128000

約数和(自身を除く): 503613720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 139, 148, 180, 185, 216, 222, 270, 278, 296, 333, 360, 370, 417, 444, 540, 555, 556, 666, 695, 740, 834, 888, 999, 1080, 1110, 1112, 1251, 1332, 1369, 1390, 1480, 1665, 1668, 1998, 2085, 2220, 2502, 2664, 2738, 2780, 3330, 3336, 3753, 3996, 4107, 4170, 4440, 4995, 5004, 5143, 5476, 5560, 6255, 6660, 6845, 7506, 7992, 8214, 8340, 9990, 10008, 10286, 10952, 12321, 12510, 13320, 13690, 15012, 15429, 16428, 16680, 18765, 19980, 20535, 20572, 24642, 25020, 25715, 27380, 30024, 30858, 32856, 36963, 37530, 39960, 41070, 41144, 46287, 49284, 50040, 51430, 54760, 61605, 61716, 73926, 75060, 77145, 82140, 92574, 98568, 102860, 123210, 123432, 138861, 147852, 150120, 154290, 164280, 184815, 185148, 190291, 205720, 231435, 246420, 277722, 295704, 308580, 369630, 370296, 380582, 462870, 492840, 555444, 570873, 617160, 694305, 739260, 761164, 925740, 951455, 1110888, 1141746, 1388610, 1478520, 1522328, 1712619, 1851480, 1902910, 2283492, 2777220, 2854365, 3425238, 3805820, 4566984, 5137857, 5554440, 5708730, 6850476, 7611640, 8563095, 10275714, 11417460, 13700952, 17126190, 20551428, 22834920, 25689285, 34252380, 41102856, 51378570, 68504760, 102757140, 205514280]

約数ペア:

[(1, 205514280), (2, 102757140), (3, 68504760), (4, 51378570), (5, 41102856), (6, 34252380), (8, 25689285), (9, 22834920), (10, 20551428), (12, 17126190), (15, 13700952), (18, 11417460), (20, 10275714), (24, 8563095), (27, 7611640), (30, 6850476), (36, 5708730), (37, 5554440), (40, 5137857), (45, 4566984), (54, 3805820), (60, 3425238), (72, 2854365), (74, 2777220), (90, 2283492), (108, 1902910), (111, 1851480), (120, 1712619), (135, 1522328), (139, 1478520), (148, 1388610), (180, 1141746), (185, 1110888), (216, 951455), (222, 925740), (270, 761164), (278, 739260), (296, 694305), (333, 617160), (360, 570873), (370, 555444), (417, 492840), (444, 462870), (540, 380582), (555, 370296), (556, 369630), (666, 308580), (695, 295704), (740, 277722), (834, 246420), (888, 231435), (999, 205720), (1080, 190291), (1110, 185148), (1112, 184815), (1251, 164280), (1332, 154290), (1369, 150120), (1390, 147852), (1480, 138861), (1665, 123432), (1668, 123210), (1998, 102860), (2085, 98568), (2220, 92574), (2502, 82140), (2664, 77145), (2738, 75060), (2780, 73926), (3330, 61716), (3336, 61605), (3753, 54760), (3996, 51430), (4107, 50040), (4170, 49284), (4440, 46287), (4995, 41144), (5004, 41070), (5143, 39960), (5476, 37530), (5560, 36963), (6255, 32856), (6660, 30858), (6845, 30024), (7506, 27380), (7992, 25715), (8214, 25020), (8340, 24642), (9990, 20572), (10008, 20535), (10286, 19980), (10952, 18765), (12321, 16680), (12510, 16428), (13320, 15429), (13690, 15012)]